Server-Side Request Forgery Vulnerability in Feedmob FM-MCP-Servers
CVE-2026-19770

4.8MEDIUM

Key Information:

Vendor

Feedmob

Status
Fm-mcp-servers
Vendor
CVE Published:
14 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-19770?

A security vulnerability exists in Feedmob's FM-MCP-Servers version 0.0.3, specifically within the 'downloadReport' function located in the Download Endpoint module. This issue arises from the manipulation of the 'downloadUrl' argument, enabling an attacker to perform server-side request forgery attacks. Although the exploit can be executed only from a local environment, it remains publicly accessible. The Feedmob team was notified of this vulnerability through an issue report but has yet to provide a response or implement a fix.

Affected Version(s)

fm-mcp-servers 0.0.3

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-19770 - Proof of Concept

References

https://vuldb.com/vuln/389676
vdb-entrytechnical-description
https://vuldb.com/vuln/389676/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-19770
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

skywings (VulDB User)
VulDB CNA Team
.